Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01-22196-D2 found under Radiatorengine Coolant by Western Diesel Services Inc. The National Stock Number assigned to this part is 2930016977571, and the Federal Supply Class is 2930 Engine Cooling System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 01-22196-D2.